In a triangle, we use terms like adjacent and opposite. These refer to sides in relation to angles. In our musical triangle, the drummer is at one angle in the back. This side, where the audience is, is called the opposite side.
Trunc is database function, try using round for numeric values, or change the Processing of Query to database.
We can use the Pythagorean identity and sin(Î¸)\sin(\theta)sin(Î¸)sine, left parenthesis, theta, right parenthesis to solve for cos(Î¸)\cos(\theta)cos(Î¸)cosine, left parenthesis, theta, right parenthesis: